* Impl unknown tokens pallet.

* Fix workspace pallet path.

* Make clippy happy.

* Clippy, be happy.

* Unit tests.

* Update patches.

* Update dependencies.

* Bump dependencies.

* Dependencies: use rococo-v1 branch.

* xtokens and xcm-support module.

* Fix clippy.

* Xcm execution in xtokens.

* Remove unused imports.

* Remove parent from sibling parachains multi location.

* TTransfer to parachain should be transactional.

* TODO: revert state on xcm execution failure.

* Update sibling parachain location.

* Bump dependencies.

* Update multilocation representation in xtoken.

* fix clippy

* remove sp-io

* fix check

* Bump dependencies.

* Fix benchmarking logs.

* Dependencies.

* Bump xtokens and xcm-support version.

Co-authored-by: zjb0807 <zjb0807@qq.com>

* update gh action

* update

* update

* workaround build issue

* update

* Updated Substrate version

* Add genesis config for storage

* Remove unnecessary struct

* Refactored add_genesis_config section

* Add proper handling

* Refactor genesis BTreeMap to Vec

* Add comments to genesis type aliases

* bumo orml-nft

* avoid share token id between classes

* add nft module

* Cargo.dev.toml add nft

* add destroy_class

* add destroy_class comment

* update substrate 2.0; fix clippy

* fix ci

* fix ci

* code optimizations

* fix db transaction

* rename nft

* test

* pin integer-sqrt version

* Update dependencies to rc6.

* Update benchmarking.

* update for rc5

* update for rc5

* remove system

* fix format

* fix format

* Update lib.rs

fix format build failed

Co-authored-by: zjb0807 <zjb0807@qq.com>

* remove LinkedMap and FixedU128 implemention

* bump version

* remove ExistentialDeposit

* switch subsrate dependencies to crates.io

* bump version

* update license